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https://www.readbyqxmd.com/read/28736365/-blighted-ovum-in-subfertile-patients-undergoing-assisted-reproductive-technology
#1
Qing-Wen Nie, Rui Hua, Yao Zhou, Hong Li, Yan-Hong Yu
OBJECTIVE: To explore the incidence and risk factors of blighted ovum in subfertile patients undergoing assisted reproductive technology (ART). METHODS: This retrospective analysis was conducted among 2378 patients who were pregnant following embryo transfer at our center from January, 2012 to December, 2015, including cases of early pregnancy losses and simultaneous live births. The cases with early pregnancy losses were divided into embryonic pregnancy and blighted ovum groups based on the presence or absence of an embryonic pole before dilation and curettage...
July 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28736296/a-new-targeted-cftr-mutation-panel-based-on-next-generation-sequencing-technology
#2
Marco Lucarelli, Luigi Porcaro, Alice Biffignandi, Lucy Costantino, Valentina Giannone, Luisella Alberti, Sabina Maria Bruno, Carlo Corbetta, Erminio Torresani, Carla Colombo, Manuela Seia
Searching for mutations in the cystic fibrosis transmembrane conductance regulator gene (CFTR) is a key step in the diagnosis of and neonatal and carrier screening for cystic fibrosis (CF), and it has implications for prognosis and personalized therapy. The large number of mutations and genetic and phenotypic variability make this search a complex task. Herein, we tested the clinical and laboratory validity of an extended search for mutations in CFTR using a next-generation sequencing-based method, with a panel of 188 CFTR mutations customized for the Italian population...
July 19, 2017: Journal of Molecular Diagnostics: JMD
https://www.readbyqxmd.com/read/28735705/impact-of-preimplantation-genetic-screening-on-donor-oocyte-recipient-cycles-in-the-united-states
#3
David H Barad, Sarah K Darmon, Vitaly A Kushnir, David F Albertini, Norbert Gleicher
OBJECTIVE: Our objective was to estimate the contribution of Preimplantation genetic screening to in-vitro fertilization pregnancy outcomes in donor oocyte-recipient cycles. METHODS: This is a retrospective cross-sectional study of United States national data from the Society for Assisted Reproductive Technology Clinic Outcome Reporting System between 2005-2013. Society for Assisted Reproductive Technology Clinic Outcome Reporting relies on voluntarily annual reports by over 90% of United States in-vitro fertilization centers...
July 20, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28735601/impact-of-equine-assisted-reproductive-technologies-standard-embryo-transfer-or-intracytoplasmic-sperm-injection-icsi-with-in-vitro-culture-and-embryo-transfer-on-placenta-and-foal-morphometry-and-placental-gene-expression
#4
Orlando A Valenzuela, Anne Couturier-Tarrade, Young-Ho Choi, Marie-Christine Aubrière, Justin Ritthaler, Pascale Chavatte-Palmer, Katrin Hinrichs
Assisted reproductive technologies (ARTs) such as intracytoplasmic sperm injection (ICSI), in vitro embryo culture and embryo transfer (ET) may be associated with alterations in fetal and placental development. In horses, ET has been used for decades. More recently, in vitro embryo production by ICSI and in vitro culture, followed by embryo transfer (ICSI-C) has become an accepted method for clinical foal production. However, no information is available on the effects of ICSI-C or even of standard ET itself on placental and neonatal parameters in horses...
July 24, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28733802/assisted-reproductive-technology-treatments-and-quality-of-life-a-longitudinal-study-among-subfertile-women-and-men
#5
Francesca Agostini, Fiorella Monti, Federica Andrei, Marcella Paterlini, Stefano Palomba, Giovanni Battista La Sala
PURPOSE: Quality of life (QoL) may represent a comprehensive indicator for the assessment of the psychological impact of complex clinical conditions, such as infertility. Infertile women have a worse QoL compared to both infertile men and non-infertile controls. However, the initial phases of infertility treatments have been frequently investigated using cross-sectional study designs. This prospective longitudinal study aimed at assessing the health-related QoL change across different phases of assisted reproductive technology (ART) treatments in subfertile women and men...
July 21, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28733801/effect-of-follicular-flushing-on-reproductive-outcomes-in-patients-with-poor-ovarian-response-undergoing-assisted-reproductive-technology
#6
Anna L M Souza, Marcos Sampaio, Graciele B Noronha, Ludiana G R Coster, Roberta S G de Oliveira, Selmo Geber
PURPOSE: The purpose of this study is to investigate the impact of follicular flushing on the number of oocytes retrieved, oocyte maturity, fertilization rate, embryo development, and pregnancy rate of poor ovarian responders (POR). METHODS: Retrospective study of 524 cycles of 384 patients with POR submitted to assisted reproductive technology (ART) and who had follicular flushing during oocyte retrieval was used in the study. We included patients with <5 oocytes at oocyte retrieval (POR group) and matching the Bologna criteria...
July 21, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28728610/breaking-bad-news-in-assisted-reproductive-technology-a-proposal-for-guidelines
#7
Daniela Leone, Julia Menichetti, Lorenzo Barusi, Elisabetta Chelo, Mauro Costa, Luciana De Lauretis, Anna Pia Ferraretti, Claudia Livi, Arne Luehwink, Giovanna Tomasi, Elena Vegni
No abstract text is available yet for this article.
July 20, 2017: Reproductive Health
https://www.readbyqxmd.com/read/28725950/genome-editing-and-assisted-reproduction-curing-embryos-society-or-prospective-parents
#8
Giulia Cavaliere
This paper explores the ethics of introducing genome-editing technologies as a new reproductive option. In particular, it focuses on whether genome editing can be considered a morally valuable alternative to preimplantation genetic diagnosis (PGD). Two arguments against the use of genome editing in reproduction are analysed, namely safety concerns and germline modification. These arguments are then contrasted with arguments in favour of genome editing, in particular with the argument of the child's welfare and the argument of parental reproductive autonomy...
July 19, 2017: Medicine, Health Care, and Philosophy
https://www.readbyqxmd.com/read/28724477/oliver-sacks-our-correspondence-about-twins-twin-research-vanishing-twins-syndrome-discordant-sex-in-mz-twins-pregnancy-outcomes-in-ivf-and-icsi-conceived-twins-print-and-media-superfetated-twins-twins-discordant-for-smoking-twins-in-fashion-yale-university
#9
Nancy L Segal
The late neurologist and author, Oliver Sacks, published an insightful 1986 review of Marjorie Wallace's book, The Silent Twins, in the New York Times. Taking exception to his assertion about Sir Francis Galton, I wrote a letter to the Times' editor. The letter was unpublished, but it brought a wonderful response from Sacks himself that is reproduced and examined. Next, brief reviews of twin research concerning the vanishing twin syndrome (VTS), discordant sex in a monozygotic (MZ) twin pair, and multiple pregnancy outcomes from assisted reproductive technology (ART) are presented...
August 2017: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/28721836/assisted-reproductive-technologies-a-hierarchy-of-risks-for-conception-pregnancy-outcomes-and-treatment-decisions
#10
M J Davies, A R Rumbold, V M Moore
The use of assisted reproductive technologies (ART) for the treatment of infertility has grown exponentially over the last 20 years, and now accounts for 4% of all births in Australia, and over 1 m births annually around the globe. There is consistent reporting of increased risk of adverse perinatal outcomes and birth defects following infertility treatment. However, change in practice has been stymied by critical knowledge gaps with regards to (a) the relative contribution of patient and treatment factors to adverse outcomes, (b) the independent contribution of specific contemporary treatments and treatment combinations to outcomes, (c) the impact of innovations in laboratory and clinical practice on treatment success and observed risk and (d) changes over time in patient characteristics...
August 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28721542/molecular-characterization-modeling-in-silico-analysis-of-equine-pituitary-gonadotropin-alpha-subunit-and-docking-interaction-studies-with-ganirelix
#11
Anuradha Bhardwaj, Varij Nayan, Parvati Sharma, Sanjay Kumar, Yash Pal, Jitender Singh
Equine pituitary gonadotropins (eLH, eFSH, eCG) are heterodimeric glycoprotein hormones with alpha (α) and beta (β) subunits. It is responsible for maintenance of pregnancy in mares during early gestation and fairly valuable for inducing superovulation in animals other than equines. The alpha subunit is common, while beta subunit is species-specific in all glycoprotein hormones. In the present investigation, molecular cloning and in silico characterization including homology modeling and molecular docking analysis of the equine chorionic gonadotropin (eCG) alpha subunit was carried out for gaining structural and functional insights into the eCG alpha subunit and its possible interaction with ganirelix, a gonadotropin-releasing hormone (GnRH) antagonist...
December 2016: In Silico Pharmacology
https://www.readbyqxmd.com/read/28721182/mitochondria-in-oocyte-aging-current-understanding
#12
REVIEW
D Zhang, D Keilty, Z F Zhang, R C Chian
The oocyte is the largest cell found in multicellular organisms. Mitochondria, as the energy factories for cells, are found in high numbers in oocytes, as they provide the energy for oocyte maturation, fertilization, and embryo formation via oxidative phosphorylation. Failure of assisted reproduction is mainly attributed to oocyte aging and increased aneuploidy. As the most numerous organelle in the oocyte, the mitochondrion has been confirmed as a crucial player in the process of oocyte aging, which is highly influenced by mitochondrion dysfunction...
March 2017: Facts, Views & Vision in ObGyn
https://www.readbyqxmd.com/read/28718894/sperm-cryopreservation-and-assisted-reproductive-technology-outcome-in-patients-with-spinal-cord-injury
#13
A Reignier, J Lammers, C Splingart, D Redhead, J J Labat, S Mirallié, P Barrière, T Fréour
This study aimed to describe spinal cord injured patients' semen characteristics before and after cryopreservation, and assisted reproductive technology cycles outcome compared to the infertile population. Data about sperm analysis and assisted reproductive technology (ART) cycles outcomes for 78 men with spinal cord injury referred for sperm cryopreservation between 1998 and 2013 were retrospectively analysed and compared with a reference group consisting of every Intra Cytoplasmic Sperm Injection (ICSI) cycle performed in our in vitro fertilization unit over the 2009-2014 period...
July 18, 2017: Andrologia
https://www.readbyqxmd.com/read/28718159/the-role-of-varicocele-in-male-factor-subfertility
#14
REVIEW
Dillon Sedaghatpour, Boback M Berookhim
PURPOSE OF REVIEW: Varicocele may play a significant role in a subset of patients presenting with male factor infertility. Despite its relatively high prevalence amongst subfertile men, there has been controversy over the effectiveness of surgical treatments, patient selection, and when to administer treatment, particularly in the era of assisted reproductive technology. RECENT FINDINGS: In line with earlier finding, recent evidence strongly suggests that varicocelectomy improves pregnancy rates and semen parameters...
September 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28718082/low-first-trimester-papp-a-in-ivf-fresh-and-frozen-thawed-pregnancies-likely-due-to-a-biological-cause
#15
Lauren P Hunt, A M McInerney-Leo, S Sinnott, B Sutton, R Cincotta, G Duncombe, J Chua, M Peterson
PURPOSE: The purpose of this study is to confirm a difference in the first-trimester screen maternal biochemistry and false-positive rates (FPR) between pregnancies conceived spontaneously and those conceived via assisted reproductive technologies (ART). METHODS: Retrospective analysis of the complete population of women (17,889 pregnancies) who had undergone first-trimester screening between January 2004 and September 2009 at three private ultrasound clinics in Queensland, Australia was used in the study...
July 17, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28716426/hormone-dependent-uterine-epithelial-stromal-communication-for-pregnancy-support
#16
Xiaoqiu Wang, San-Pin Wu, Francesco J DeMayo
Human fertility is a relatively inefficient process. Despite the presence of visibly healthy embryos, 30% of pregnancies generated by assisted reproductive technology (ART) fail before the second trimester. The uterine microenvironment plays a critical role in establishing and maintaining a successful pregnancy that requires coordinated communication between the epithelial and stromal cells of the endometrium. The epithelial cells must cease proliferation and become permissive for the conceptus (embryo and associated extraembryonic membranes), while the stromal cells undergoes mesenchymal-to-epithelioid transformation to form the decidua in support of subsequent embryo development...
July 6, 2017: Placenta
https://www.readbyqxmd.com/read/28714779/serum-free-placental-growth-factor-isoform-1-at-11-13-week-gestation-effects-of-maternal-factors-mean-arterial-pressure-placental-volume-and-uterine-artery-pulsatility-index
#17
Maolee Bhuwapathanapun, Busadee Pratumvinit, Piyaporn Lahfahroengron, Sithikan Hanyongyuth, Amprapha Phaophan, Julaporn Pooliam, Tuangsit Wataganara
INTRODUCTION: To define the effects of maternal factors, mean arterial pressure (MAP), placental volume (PV), and uterine artery Doppler pulsatility index (UtAPI) to serum level of free form of placental growth factor isoform 1 (free PlGF-1) measured with a novel automated assay. METHODS: We enrolled 200 Thai women singleton pregnancy from 11(+0) to 13(+6) weeks gestation with low prior risk maternal factors (age, parity, tobacco use, assisted reproductive technology, and body mass index)...
July 17, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28713007/future-fertility-for-individuals-with-differences-of-sex-development-parent-attitudes-and-perspectives-about-decision-making
#18
Emilie K Johnson, Ilina Rosoklija, Angela Shurba, Anthony D'Oro, Elisa J Gordon, Diane Chen, Courtney Finlayson, Jane L Holl
BACKGROUND: Children, adolescents, and young adults (children/youth) with differences/disorders of sex development (DSD) face challenges related to future fertility; this may be due to variations in gonadal development, and, for some, gonadectomy performed to reduce the risk of malignancy. Childhood may be the only time for preservation of biological fertility potential for children/youth who undergo gonadectomy or have early gonadal failure. Fertility-related decision-making for these patients is particularly complicated, due to the need for parental proxy decision-making, potential discordance between gender identity and gonadal type, and uncertain future assisted reproductive technologies...
July 3, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28711704/detection-of-zikv-rna-in-semen-of-asymptomatic-blood-donors
#19
Didier Musso, Vaea Richard, Anita Teissier, Mars Stone, Marion C Lanteri, Geraldo Latoni, Jose Alsina, Rita Reik, Michael P Busch
OBJECTIVES: Zika virus (ZIKV) transmission through semen donation has never been reported but the risk is supported by the detection of ZIKV in semen and the demonstration of ZIKV sexual transmission. The potential impact of ZIKV on assisted reproductive procedures should be evaluated. METHODS: We tested longitudinally collected semen samples provided by asymptomatic blood donors who tested positive for ZIKV RNA in plasma during ZIKV outbreaks in Puerto Rico and Florida in 2016...
July 12, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28711250/genetic-analysis-for-quality-of-frozen-embryos-produced-by-holstein-cattle-donors-in-canada
#20
C Jaton, F S Schenkel, F Malchiodi, M Sargolzaei, C A Price, C Baes, F Miglior
The number of embryos produced by Holstein donors has been shown to be heritable, so it could be possible to genetically select for this trait to improve the efficiency of the assisted reproductive technology (ART) in dairy cattle. Another important parameter to consider for achieving good results from ART is embryo quality because embryos of good quality have more chance of producing live offspring. The possibility of using genetic selection for increasing the quality of embryo produced from ART has yet to be assessed...
July 12, 2017: Journal of Dairy Science
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